直三棱柱 ABC﹣ A 1 B 1 C 1 中, AA 1 B 1 B 为正方形, AB=BC, ∠ABC=120° , M为棱 BB 1 上任意一点, 点 D

直三棱柱 ABC﹣ A 1 B 1 C 1 中, AA 1 B 1 B 为正方形, AB=BC, ∠ABC=120° , M为棱 BB 1 上任意一点, 点 D、 E 分别为 AC、 CM的中点.(1

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We will cause less pollution _________we can find ways to reuse or recycle more

We will cause less pollution _________we can find ways to reuse or recycle more rubbish.

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My parents gave red packets to my cousin every Spring Festival________ she got a

My parents gave red packets to my cousin every Spring Festival________ she got a job, because she sa

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—Who went to the graduation party last night, Mary?—Almost everyone did. ______

—Who went to the graduation party last night, Mary?—Almost everyone did. ______ lots of students ___

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